Dumbbell



FIG. 1 is a perspective view of a dumbbell showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof, the side opposite beinga mirror image;

FIG. 7 is another right side elevational view thereof with portions ofthe side wall broken away;

FIG. 8 is a cross-sectional view thereof taken along line 8--8 in FIG.6; and,

FIG. 9 is a perspective view of a modified embodiment of the designshown in FIGS. 1 through 8.

The ornamental design for a dumbbell, as shown and described.